System and Method of Limiting Processing by a 3d Reconstruction System of an Environment in a 3d Reconstruction of an Event Occurring in an Event Space

1. A method, comprising: recording an event in an event space by a plurality of cameras, the plurality of cameras recording a plurality of imaging frames; creating an imaging mask for each camera of the plurality of cameras; comparing, for each camera, the corresponding imaging mask to a corresponding sub-volume mask, the sub-volume mask generated by projecting from each camera each of a plurality of sub-volumes of the event space, and extracting at least one feature from at least one imaging mask, the at least one feature related to the event; saving the at least one feature to a subspace division mask; cropping the at least one feature from the imaging frames using the subspace division mask; and processing the at least one feature for a 3D reconstruction.

2. The method of claim 1 , further comprising: storing each of the sub-volume masks in a storage location.

3. The method of claim 1 , further comprising: storing each sub-volume mask associated with its respective camera in a storage location associated with that respective camera.

4. The method of claim 1 , further comprising: storing for each camera a listing of all sub-volumes having at least one feature in a matrix.

5. The method of claim 4 , wherein processing the at least one feature for a 3D reconstruction, further comprises: processing only the at least one feature in a sub-volume listed in the matrix.

6. The method of claim 1 , further comprising: determining a volume of the event space, wherein the plurality of sub-volumes are generated by dividing the volume into the plurality of sub-volumes.

7. The method of claim 1 , further comprising: performing stabilization to remove outlier features from the at least one feature.

8. A non-transitory computer readable storage medium including instructions stored thereon which, when executed by one or more processors, cause the one or more processors to: record an event in an event space by a plurality of cameras, the plurality of cameras recording a plurality of imaging frames; create an imaging mask for each camera of the plurality of cameras; compare, for each camera, the corresponding imaging mask to a corresponding sub-volume mask, the sub-volume mask generated by projecting from each camera each of a plurality of sub-volumes of the event space, and extracting at least one feature from at least one imaging mask, the at least one feature related to the event; save the at least one feature to a subspace division mask; crop the at least one feature from the imaging frames using the subspace division mask; and process the at least one feature for a 3D reconstruction.

9. The non-transitory computer readable storage medium of claim 8 , wherein the instructions, when executed, further cause the one or more processors to: store each of the sub-volume masks in a storage location.

10. The non-transitory computer readable storage medium of claim 8 , wherein the instructions, when executed, further cause the one or more processors to: store each sub-volume mask associated with its respective camera in a storage location associated with that respective camera.

11. The non-transitory computer readable storage medium of claim 8 , wherein the instructions, when executed, further cause the one or more processors to: store for each camera a listing of all sub-volumes having at least one feature in a matrix.

12. The non-transitory computer readable storage medium of claim 11 , wherein the instructions to process the at least one feature for a 3D reconstruction, when executed, further cause the one or more processors to: process only the at least one feature in a sub-volume listed in the matrix.

13. The non-transitory computer readable storage medium of claim 8 , wherein the instructions, when executed, further cause the one or more processors to: determine a volume of the event space, wherein the plurality of sub-volumes are generated by dividing the volume into the plurality of sub-volumes.

14. The non-transitory computer readable storage medium of claim 8 , wherein the instructions, when executed, further cause the one or more processors to: perform stabilization to remove outlier features from the at least one feature.

15. A system, comprising: a plurality of cameras for recording an event in a plurality of imaging frames; a controller coupled to the plurality of camera, the controller including instructions which, when executed by one or more processors, cause the controller to: create an imaging mask for each camera of the plurality of cameras; compare, for each camera, the corresponding imaging mask to a corresponding sub-volume mask, the sub-volume mask generated by projecting from each camera each of a plurality of sub-volumes of the event space, and extracting at least one feature from at least one imaging mask, the at least one feature related to the event; save the at least one feature to a subspace division mask; crop the at least one feature from the imaging frames using the subspace division mask; and process the at least one feature for a 3D reconstruction.

16. The system of claim 15 , wherein the instructions, when executed, further cause the controller to: store each of the sub-volume masks in a storage location.

17. The system of claim 15 , wherein the instructions, when executed, further cause the controller to: store each sub-volume mask associated with its respective camera in a storage location associated with that respective camera.

18. The system of claim 15 , wherein the instructions, when executed, further cause the controller to: store for each camera a listing of all sub-volumes having at least one feature in a matrix.

19. The system of claim 18 , wherein the instructions to process the at least one feature for a 3D reconstruction, when executed, further cause the controller to: process only the at least one feature in a sub-volume listed in the matrix.

20. The system of claim 15 , wherein the instructions, when executed, further cause the controller to: determine a volume of the event space, wherein the plurality of sub-volumes are generated by dividing the volume into the plurality of sub-volumes.